Job 39:28 verse
She dwelleth and abideth on the rock, upon the crag of the rock, and the strong place.

Ezekiel 4:3 verse
Moreover take thou unto thee an iron pan, and set it for a wall of iron between thee and the city : and set thy face against it, and it shall be besieged, and thou shalt lay siege against it. This shall be a sign to the house of Israel.

Leviticus 8:15 verse
And he slew it; and Moses took the blood, and put it upon the horns of the altar round about with his finger, and purified the altar, and poured the blood at the bottom of the altar, and sanctified it, to make reconciliation upon it.